Joke Collection Website - Public benefit messages - Why is the SMS function of my mobile phone card always turned off?

Why is the SMS function of my mobile phone card always turned off?

1. To call the customer service, just enter the service password and tell the customer to overcome the demand, and then the SMS function can be activated.

2. Brush the machine or restore the factory value.

3. Settings-General Settings-SMS-Check.

4. The cell phone has no signal or no money. Check the cell phone signal and money.